Volume 38, Issue 1, April 2004
Volume 31, Issue 1, May 1998
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Volume 33, Issue 1, May 1999
Volume 40, Issue 5, December 2006
Volume 33, Issue 3, November 1999
Volume 33, Issue 4, February 2000
Volume 40, Issue 6, February 2007
Volume 41, Issue 1, April 2007
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Volume 42, Issue 1, April 2008
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Volume 43, Issue 1, May 2009
Mohammad Kazem Besharati; Mahdi Ghasemi; SMahmood Mousavi Mashhadi